Black with Threaded Filler Neck ; Adapter attached Stant tester 12300 and/or 12400
Tan with Cam-On Filler Neck ; Adapter used with Stant tester 12300 and/or 12400
W/Threaded Filler Neck; Threaded
Browse our selection of quality fuel cap tester adapter parts designed specifically for your GMC Sierra 1500 HD Classic. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
SLE · SLT
Crew Cab Pickup
V8 6.0L
Automatic
